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Easy 'Know How'
Questions you are too afraid to ask!
Learn some Easy 'Know How'
What is TLS?
Transport Layer Security (TLS) is a protocol that is used for establishing a secure connection between a client and a server. In this case the client is your phone and the server is the PBX.
What is a Log level?
Information displayed under Log level 9 is everything that is going on with the server. Log level 0 will only report important trace. Log Level 9 should only be switched on whilst you capture the trace, on a busy system this could slow things down.
What is Loopback Protection?
With SIP, the number you call is actually sent with the domain information included (just like email). Sometimes this can cause the call to come back into the domain and therefore create a loop. Loops can come round many hundreds of time in 1 second.
What is an SBC?
Session Border Controller (SBC) is a device or application that governs the manner in which calls, also called sessions, are initiated, conducted and terminated in a VoIP (Voice over Internet Protocol) network.
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Technical 'Know How'
Some technical questions
Bandwidth - 'Know How' -
You need approximately 90kbps per call for a G711 codec call. The G729 codec uses about a quarter of this bandwidth.
Starting pbxnsip - 'Know How' -
pbxnsip when installed on Windows uses a service. A service is a way to stop and start a program that runs in the background. You can find the services section in Administrators Tools which is inside the Control Panel.
Extension Numbering - 'Know How' -
Many people start their extension with 100 or 200. You may want to use higher numbers because you will run into problems when using an Auto Attendant that has options 1 and 2. You will not be able to dial extensions starting with 1 or 2 from the auto attendant, as the match will always take place on 1 or 2.
+ Alias - 'Know How'
Your inbound DID/DDI should be mapped to a +alias. If a trunk is set to 'Global', it is visible in all dial plans, therefore the inbound call will match a +alias in other domains.
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